only builds executable if BUILD_FRONTEND specified

CMakeLists.txt

@@ -11,6 +11,12 @@ add_compile_options(
   -Wno-unused-function
 )
 
+option(
+  BUILD_FRONTEND
+  "If ON, build the default frontend executable"
+  OFF
+)
+
 set(
   TCPIP_DRIVER_DIR
   $ENV{MIDASSYS}/drivers/bus/tcpip.cxx
@@ -94,26 +100,30 @@ target_link_libraries(
 ## Test Frontend
 ################################################################################
 
-add_executable(
-  keller_dv2ps_fe
-  frontends/keller_dv2ps_scfe.cxx
-)
+if(${BUILD_FRONTEND})
 
-set_property(
-  TARGET
+  add_executable(
     keller_dv2ps_fe
-  PROPERTY
-    CXX_STANDARD 11
-)
+    frontend/keller_dv2ps_scfe.cxx
+  )
 
-target_include_directories(
-  keller_dv2ps_fe
-  PRIVATE
-    $ENV{MIDASSYS}/drivers
-    $ENV{MIDASSYS}/include
-)
+  set_property(
+    TARGET
+      keller_dv2ps_fe
+    PROPERTY
+      CXX_STANDARD 11
+  )
 
-target_link_libraries(
-  keller_dv2ps_fe
-  keller_dv2ps
-)
+  target_include_directories(
+    keller_dv2ps_fe
+    PRIVATE
+      $ENV{MIDASSYS}/drivers
+      $ENV{MIDASSYS}/include
+  )
+
+  target_link_libraries(
+    keller_dv2ps_fe
+    keller_dv2ps
+  )
+
+endif()

README.md

@@ -13,7 +13,7 @@ to the built Midas artifacts and headers.
 Clone this repository, enter the cloned directory, and then build via CMake.
 
 ```bash
-cmake -S "$(pwd)" -B <directory-to-build-in>
+cmake -S "$(pwd)" -B <directory-to-build-in> -DBUILD_FRONTEND=ON
 cmake --build <directory-to-build-in> --clean-first -- -j8
 ```